In philosophy, substance means, approximately, that element of an object without which it would not exist. In the millennia-old Aristotelian tradition[?], as well as early modern[?] traditions that follow it, substances are treated as having attributes[?] and modes[?].
... would split off and found the Democratic Socialists of America with the purpose of "realignment" - the aim of working within the Democratic Party and pulling it to the Left ...